Throw an exploding object?

[Damascus]

I'm placing it in the level editor. The change does appear in the editor, and shows up as a small rock. If I replace the original grenade .ent with the new one, it still appears as a bottle in game. If I instead choose to just target the new "grenade1_NEW.ent", then it doesn't show up in game at all. Still, both of them appear correctly when viewed through the level editor.